Arsenic contamination and mitigation

Arsenic is a naturally occurring element that leaches from rock and sediment into groundwater, where it contaminates drinking water supplies for hundreds of millions of people across South Asia, Latin America, and beyond. Environmental chemists study how arsenic moves through aquatic systems, how its chemical form—or speciation—shifts between more and less toxic states, and how those transformations affect both human health and the broader ecosystem. A central challenge is developing low-cost, scalable removal technologies suited to rural or low-resource settings where contamination is often worst. Researchers are also working to better understand the geochemical and microbial processes that mobilize arsenic in the first place, since predicting where dangerous concentrations will emerge remains difficult.

Works

55,495

Total citations

1,447,238

Keywords

ArsenicWaterContaminationGroundwaterToxicityRemoval